.vid {
  position: fixed;
  margin: auto;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.vid video {
  position: absolute;
  margin: auto;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  width: 100%;
  object-fit: cover;
  height: 100%;
  z-index: -1;
}

.vid .video_alert {
  width: 80%;
  height: 750rem;
}

.vid .video_alert_xian {
  box-shadow: 0rem -5rem 0rem #1bca00;
  width: 80%;
  border: solid #27ff06 3rem;
  animation: gzq 2s infinite;
}

@keyframes gzq {
  0% {
    transform: translateY(0px);
  }
  100% {
    transform: translateY(750px);
  }
}
